xAI's premium image generation model offering higher fidelity output and stronger performance on single-image editing benchmarks compared to the standard Grok Imagine model
Settled by community votes across 13 shared challenges, with an AI judge weighing in on each.
Grok Imagine Image Pro
24.5
arena score
#17 of 62 in Text-to-Image
Skill signature
· Text-to-Image
Imagen 4.0 Fast Generate 001
17.6
arena score
#53 of 62 in Text-to-Image
Vote tally
Where the votes landed
Grok Imagine Image Pro
40.0%
win rate
Ties
0.0%
Imagen 4.0 Fast Generate 001
60.0%
win rate
40.0%
0.0% ties
60.0%
Shared challenges
13
Challenge by challenge
The strongest take from each model on every shared challenge, with the AI judge's read.
Geometric Composition
Text-to-Image“A glass cube on a wooden table. Inside the cube is a small blue sphere. On top of the cube sits a red book. A green plant is behind the cube, partially visible through the glass. Soft window light from the left.”
Grok Imagine Image Pro
Imagen 4.0 Fast Generate 001
AI Judge Analysis
Grok Imagine Image Pro
- + Excellent text rendering on the book spine
- + Highly realistic wood texture and table details
- + Accurate reflections and refraction through the glass cube
- − The glass cube has a visible mirrored bottom which makes it look more like a display case than a simple glass cube
Imagen 4.0 Fast Generate 001
- + Beautiful lighting with strong window shadow patterns
- + Very clean, minimalist aesthetic
- + Vibrant colors and high clarity
- − The glass cube is missing its back-left edge, making it appear structurally impossible
- − The text on the book spine is illegible gibberish
Verdict: Grok Imagine Image Pro is the winner because it successfully renders all components of the scene with high physical logic, including a legible book title. While Imagen 4.0 Fast Generate 001 provides more dramatic lighting, it suffers from a technical flaw where one of the glass cube's vertical edges is missing, breaking the realism.
Candid Street Photography
Text-to-Image“A candid street photo of an elderly Japanese man repairing a red bicycle in light rain, reflections on wet pavement, shallow depth of field, 50mm lens, natural skin texture, imperfect framing, motion blur from passing cars, cinematic but realistic, no stylization.”
Grok Imagine Image Pro
Imagen 4.0 Fast Generate 001
100% wins
0% ties
0% wins
AI Judge Analysis
Grok Imagine Image Pro
- + Excellent skin texture and realistic, weathered hands.
- + Great integration of motion blur in the background cars.
- + Very realistic lighting and reflections on the wet asphalt.
- − The wrench the man is holding is slightly merged with his hand.
- − The composition is a bit centered for a 'candid' street photo.
Imagen 4.0 Fast Generate 001
- + Strong 'imperfect framing' with the foreground dark border suggesting a window or doorway.
- + Dynamic composition that feels more spontaneous.
- + Good water droplet effects on the asphalt.
- − The man's face is cut off at the top.
- − The hands and what he is doing with the bicycle are a bit messy and indistinct.
- − The bicycle's rear wheel and structure are physically incoherent.
Verdict: Grok Imagine Image Pro produces a much more technically sound and realistic image, with impressive skin textures and accurate lighting. While Imagen 4.0 Fast Generate 001 captures the 'imperfect framing' and 'candid' feel better through its composition, it fails significantly on human anatomy and mechanical coherence.
Fantasy Warrior
Text-to-Image“Close portrait of a battle-worn paladin in ornate engraved plate armor, hair braided with small beads, faint scars and dirt on the skin, warm torchlight reflecting off metal, shallow depth of field, bokeh sparks, lifelike eyes, highly detailed texture on leather straps and cloth underlayer.”
Grok Imagine Image Pro
Imagen 4.0 Fast Generate 001
50% wins
0% ties
50% wins
AI Judge Analysis
Grok Imagine Image Pro
- + Perfect adherence to the prompt including armor, braids, and lighting.
- + Stunning detail on the engraved plate armor and leather straps.
- + Masterful use of bokeh sparks and warm torchlight for atmospheric depth.
- − The text 'Lux in tenebris' has slight alignment inconsistencies on the curvature of the gorget.
Imagen 4.0 Fast Generate 001
- + Good facial expression and age-appropriate skin texture.
- − Complete failure to follow the prompt; shows a modern man in a garden instead of a paladin.
- − Missing armor, braids, torchlight, and battle-worn features.
- − Incorrect composition (full body instead of close portrait).
Verdict: Grok Imagine Image Pro followed every detail of the complex prompt, delivering a cinematic and highly detailed fantasy portrait. Imagen 4.0 Fast Generate 001 failed completely, producing a modern image of a man in a garden that bears no resemblance to the requested paladin.
Modern Clean Menu
Text-to-Image“Modern minimalist restaurant menu design, white background with colorful food photos in grid, sections for appetizers/pizza/mains, bold sans-serif fonts, vibrant accents, clean professional layout for casual dining.”
Grok Imagine Image Pro
Imagen 4.0 Fast Generate 001
AI Judge Analysis
Grok Imagine Image Pro
- + Excellent photo-realistic food quality with vibrant colors.
- + Very high text legibility for item names and descriptions.
- + Logical matching of photos to category headings.
- − Several dishes have the exact same repeated description text.
- − Descriptions for non-pizza items erroneously mention 'Thin crust'.
Imagen 4.0 Fast Generate 001
- + Follows the 'grid' layout instruction with complex spacing.
- + Includes pricing columns which adds to the menu feel.
- + Clean minimalist aesthetic with colored block accents.
- − Text is mostly gibberish with frequent spelling errors like 'APETIERS'.
- − Poor image-to-category logic, using pizza photos for every section including 'MAIN COURSES'.
- − Very low resolution on smaller text elements.
Verdict: Grok Imagine Image Pro is the clear winner because it generates high-quality, legible text and food photography that actually matches the section headers. While Imagen 4.0 Fast Generate 001 attempts a more complex layout, its text is unreadable gibberish and it uses pizza images for every single food section, failing the intent of a varied menu.
Magic Burger Explosion: Fiery Photorealism Challenge
Text-to-Image“Ad for 'Magic Burger'. Dynamic, exploded burger with all components (bun, patty, cheese, lettuce, tomato, sauce) suspended in mid-air. Emphasize photorealistic detail and a sense of motion. Dark, fiery background with glowing embers. Integrate text: 'MAGIC BURGER' as a prominent title, 'LIMITED TIME ONLY' as a secondary message, and '€6.99' in a starburst, all rendered with a fiery, glowing effect.”
Grok Imagine Image Pro
Imagen 4.0 Fast Generate 001
AI Judge Analysis
Grok Imagine Image Pro
- + Excellent photorealistic texture on the meat patty and toasted bun
- + Dynamic 'exploded' composition with realistic fluid physics in the sauce splashes
- + Powerful fiery background that creates a high-energy atmosphere
- − The price starburst is a flat graphic rather than being rendered with a fiery effect
- − The comma in the price '€6,99' is less common for some markets than a decimal point
Imagen 4.0 Fast Generate 001
- + Perfect adherence to the fiery, glowing text rendering across all elements including the starburst
- + Clean and professional typography layout that balances well with the image
- + Sharp focus and high clarity on the glowing embers
- − The burger composition is less 'exploded' and feels more static compared to Model A
- − The cheese texture looks slightly plastic or CG compared to the patty
Verdict: Grok Imagine Image Pro produces a much more dynamic and appetizing food shot with superior textures and realistic motion. However, Imagen 4.0 Fast Generate 001 followed the stylistic instructions for the text more accurately, applying the requested glowing fire effect even to the price burst. Grok is the preferred winner for the overall impact of the food photography, which is central to a food advertisement.
Chalkboard Menu
Text-to-Image“Handwritten-style chalkboard menu in a cozy café, all text rendered in the exact same realistic chalk handwriting style with natural variations in letter size, slight slant, and chalk texture — no printed or digital fonts anywhere on the board. Title at the top in elegant cursive chalk handwriting: ‘TODAY’S SPECIALS – APRIL 30, 2026’. Below it, three menu items also in the same handwritten chalk style: ‘Truffle Mushroom Risotto – $24’, ‘Grilled Octopus with Lemon & Herbs – $28’, ‘Brown Butter Chocolate Chip Cookies – $9’. At the very bottom, smaller text in the identical handwritten chalk style (slightly smaller but still clearly legible with the same handwriting characteristics): ‘All items made fresh daily • Ask about our gluten-free options’. Warm ambient café lighting, visible chalk dust and smudges, realistic handwriting imperfections, no clean printed text anywhere.”
Grok Imagine Image Pro
Imagen 4.0 Fast Generate 001
AI Judge Analysis
Grok Imagine Image Pro
- + Excellent chalk texture and realistic handwritten variations.
- + Flawless spelling and complete adherence to the specific menu items.
- + Superior composition with realistic lighting and a weathered wood frame.
- − The cursive in the title is more of a script than formal cursive, though it fits the aesthetic.
Imagen 4.0 Fast Generate 001
- + Text is highly legible and follows the general layout requested.
- + Good alignment of the items on the board.
- − Contains spelling errors like 'Octuphus' and 'Cookes'.
- − Repeats the same line twice at the bottom with slight variations.
- − The handwriting looks more like a digital font than natural chalk, lacking texture.
Verdict: Grok Imagine Image Pro successfully followed the prompt, delivering high-quality, realistic chalk handwriting with perfect spelling and excellent visual appeal. In contrast, Imagen 4.0 Fast Generate 001 struggled with text accuracy, including several spelling mistakes and unwanted repetition of the final menu item.
The Reversed Rodeo
Text-to-Image“Horse riding astronaut in space — horse on top, not vice versa. Surreal, highly detailed, cinematic.”
Grok Imagine Image Pro
Imagen 4.0 Fast Generate 001
AI Judge Analysis
Grok Imagine Image Pro
- + Successfully followed the specific instruction for the horse to be on top of the astronaut.
- + Vibrant, celestial color palette with strong cinematic lighting.
- + High level of detail on the space suit and the horse's musculature.
- − The horse's front left leg is somewhat clipped/blunt at the hoof.
Imagen 4.0 Fast Generate 001
- + Clean, professional lighting and composition.
- + Realistic rendering of the astronaut's face and the horse's coat.
- − Failed the negative constraint; the astronaut is riding the horse instead of vice versa.
- − Less surreal and imaginative interpretation of the prompt.
Verdict: The main differentiator was the complex positioning requirement: 'horse on top, not vice versa.' Grok Imagine Image Pro successfully followed this instruction to create a surreal scene, whereas Imagen 4.0 Fast Generate 001 defaulted to a standard depiction of an astronaut riding a horse.
The Capybara Taxi Driver
Text-to-Image“Photorealistic scene inside a yellow New York taxi at night. A capybara is driving, wearing a yellow taxi driver cap and a dark jacket. It has a calm, professional expression and both front paws on the steering wheel. In the back seat sits a human businesswoman in a coat, looking at her phone with a completely normal, bored expression (as if this is just another normal ride). Through the windows you can see the streets of Manhattan at night with blurred lights. Realistic taxi interior, photorealistic, detailed fur and fabric, 35mm lens, night lighting with reflections, shallow depth of field.”
Grok Imagine Image Pro
Imagen 4.0 Fast Generate 001
AI Judge Analysis
Grok Imagine Image Pro
- + Excellent text rendering on the cap including 'NYC TLC Medallion'.
- + True photorealism with cinematic lighting and a convincing depth of field.
- + Accurate positioning of the passenger in the back seat as requested.
Imagen 4.0 Fast Generate 001
- + Detailed fur texture on the capybara.
- + Logical placement of the capybara's paws on the steering wheel.
- + The passenger's expression and pose perfectly capture 'bored'.
- − The passenger is sitting in the front passenger seat instead of the 'back seat'.
- − The capybara's hand/paw anatomy is distorted with elongated, finger-like claws.
- − Composition feels slightly cramped compared to Model A.
Verdict: Grok Imagine Image Pro is the clear winner because it correctly placed the passenger in the back seat, whereas Imagen 4.0 Fast placed her in the front. Grok also handled complex text rendering on the hat and provided a more convincing 'inside the car' perspective that felt like a cohesive scene.
The Halloween Invitation
Text-to-Image“Vintage gothic Halloween party invitation. Dark parchment poster, spooky border with webs and thorns, central glowing jack-o-lantern, bats, twisted trees, moody night sky. Add elegant gothic title text saying "Halloween Party Invitation", a small scroll banner saying "You are invited to a night of frights", and event details at the bottom: Date: 30.10.2026 Time: 7pm Location: The Arches, NYC Spooky but polished, cinematic lighting, square format.”
Grok Imagine Image Pro
Imagen 4.0 Fast Generate 001
AI Judge Analysis
Grok Imagine Image Pro
- + Flawless text rendering for both the title and the fine details.
- + Excellent adherence to the 'thorns' part of the prompt in the border design.
- + Cinematic lighting and atmospheric smoke effects add high visual quality.
- − The layout is slightly tight with the border and text elements overlapping the artwork edges.
Imagen 4.0 Fast Generate 001
- + Clean, symmetrical composition with clear spacing between elements.
- + Strong gothic aesthetic with the twisted silhouettes and parchment textures.
- − Contains spelling errors such as 'IINVIITATION' and 'FNIGHTS'.
- − Missing the requested 'thorns' in the border, opting only for webs.
- − The lighting and character design lean more towards a cartoon style rather than the requested cinematic/polished look.
Verdict: Grok Imagine Image Pro is the clear winner as it followed all complex text instructions perfectly without any typos. While Imagen 4.0 Fast Generate 001 produced a nice composition, its failure to spell 'Invitation' correctly and its omission of the thorn details makes it less effective as a functional invitation design.
Isometric Miniature Diorama Scenes
Text-to-Image“Create a clear, 45° top-down isometric miniature 3D cartoon scene of Japan's signature dish: sushi, with soft refined textures, realistic PBR materials, gentle lighting, on a small raised diorama base with minimal garnish and plate. Solid light blue background. At top-center: 'JAPAN' in large bold text, 'SUSHI' below it, small flag icon. Perfectly centered, ultra-clean, high-clarity, square format.”
Grok Imagine Image Pro
Imagen 4.0 Fast Generate 001
AI Judge Analysis
Grok Imagine Image Pro
- + Excellent 3D modeling of the sushi components with soft, appealing textures.
- + The wood grain on the diorama base is very clean and realistic.
- + Very balanced and high-quality rendering of the fish and rice.
- − The perspective is more of a standard 3D perspective rather than a strict isometric view.
- − Text placement is slightly high in the frame.
Imagen 4.0 Fast Generate 001
- + Perfectly captures the 45-degree top-down isometric view requested.
- + Stronger adherence to the 'miniature/diorama' aesthetic with the square plinth.
- + Excellent text typography and centered composition.
- − The sushi models are simpler and less varied than the other model.
- − The salmon texture on the nigiri looks slightly plastic compared to Model A.
Verdict: Grok Imagine Image Pro produces superior 3D sushi assets with better textures and a more appetizing look, but Imagen 4.0 Fast Generate 001 follows the specific technical requirements of the prompt much better, specifically the 'isometric' viewpoint and 'diorama base' look. While Grok feels like a high-quality product render, Imagen feels much more like the intended graphic design piece.
Adorable Baby Animals in Sunny Meadow
Text-to-Image“Hyper-photorealistic scene of fluffy baby animals—a golden retriever puppy, tabby kitten, baby bunny, and red fox kit—with big expressive eyes and ultra-detailed soft fur, playfully chasing butterflies and tumbling together in a lush wildflower meadow, warm golden sunrise light with god rays and dew sparkles, joyful wholesome vibe, 8K masterpiece.”
Grok Imagine Image Pro
Imagen 4.0 Fast Generate 001
0% wins
0% ties
100% wins
AI Judge Analysis
Grok Imagine Image Pro
- + Excellent adherence to action-oriented prompts like 'chasing butterflies' and 'tumbling together'.
- + Great dynamic composition that captures the requested joyful and playful energy.
- + Includes multiple butterflies and clear 'god rays' as requested.
Imagen 4.0 Fast Generate 001
- + Very soft, high-quality lighting that creates a realistic atmosphere.
- + Well-defined fur textures and expressive eyes on the animals.
- + Simple, clean composition that highlights the subjects.
- − Failed to include the requested action of 'chasing butterflies' or 'tumbling'.
- − Did not include the 'tabby' pattern on the kitten (it is solid dark) or a 'golden retriever' (it looks more like a spaniel).
- − The background is static rather than the requested lush meadow with variety.
Verdict: Grok Imagine Image Pro is the clear winner as it followed nearly every detail of the complex prompt, including specific animal breeds, actions, and environmental details like butterflies. In contrast, Imagen 4.0 Fast Generate 001 produced a static portrait of four animals that ignored the requested interactions and lacked the specific 'tabby' and 'golden retriever' characteristics.
Vintage Cafe Logo
Text-to-Image“Vintage minimalist restaurant logo for "Caffè Florian", retro cloche dome with steam and "Est. 1720" banner, classic typography, warm brown and cream tones, subtle texture on light background, vector emblem style.”
Grok Imagine Image Pro
Imagen 4.0 Fast Generate 001
AI Judge Analysis
Grok Imagine Image Pro
- + Excellent typography rendering with the correct accent on 'Caffè'.
- + Clean vector aesthetic that perfectly matches the 'minimalist' and 'emblem' prompt requirements.
- + Well-balanced circular composition that feels professional and usable.
- − The ribbon on the bottom is slightly disconnected at the left fold.
- − The steam line is a bit simplistic compared to the rest of the illustration.
Imagen 4.0 Fast Generate 001
- + Strong vintage character and more complex steam illustration.
- + Accurate text rendering for both the main title and the date banner.
- + Good use of the requested warm brown and tan color palette.
- − Includes two nonsensical small text strings ('AFED' and 'CARO') above the main name.
- − The light blue/grey background deviates from the 'warm cream' tone requested.
- − Less of a 'minimalist' feel due to the extra lines and artifacts.
Verdict: Grok Imagine Image Pro is the winner because it provides a cleaner, more professional vector logo that strictly adheres to the minimalist aesthetic requested. While Imagen 4.0 Fast Generate 001 provides a high-quality vintage look, it includes unnecessary gibberish text and fails to maintain the requested warm-toned background.
Apollo 11: Journey to Tranquility
Text-to-Image“Create a clean, modern vector infographic poster about the Apollo 11 mission. NASA-inspired palette (navy, white, muted red, light gray). Flat-vector style, crisp lines, consistent iconography, subtle gradients only. Steps (stop at landing): 1. Launch (Saturn Vicon) 2. Earth Orbit (Earth + orbit ring icon) 3. Translunar (trajectory arc icon) 4. Lunar Orbit (Moon + orbit ring icon) 5. Descent (lunar module descending icon) 6. Landing (lunar module on the surface icon) Small supporting elements (minimal text): • Crew strip: three silhouette icons with only last names: Armstrong, Aldrin, Collins. • Landing site marker: Moon pin labeled "Tranquility" only. Layout constraints: generous margins, large readable labels, clean background with subtle stars. Vector-only, print-poster look, high resolution.”
Grok Imagine Image Pro
Imagen 4.0 Fast Generate 001
AI Judge Analysis
Grok Imagine Image Pro
- + Excellent adherence to the requested 6-step chronological timeline.
- + Clean, professional vector icons with consistent styling.
- + Accurate and legible text rendering for titles and crew names.
- − Step 3 (Translunar) lacks a specific icon, represented only by a red arc.
Imagen 4.0 Fast Generate 001
- + Strong adherence to the NASA-inspired color palette.
- + Includes stylized lunar module icons for the final stages.
- − Significant spelling errors throughout the text (e.g., 'APOLO', 'MOOR', 'SATURN VICON').
- − The layout is confusing and does not follow a clear chronological sequence.
- − Icons are mismatched with labels, such as the Moon being labeled 'LAUNCH'.
Verdict: Grok Imagine Image Pro successfully created a logical, professional infographic that follows all of the prompt's structural requirements and correctly spells all technical terms. In contrast, Imagen 4.0 Fast Generate 001 produced a chaotic layout with severe spelling errors and a lack of logical flow, making it ineffective as an infographic.
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